/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * include/uapi/linux/devlink.h - Network physical device Netlink interface * Copyright (c) 2016 Mellanox Technologies. All rights reserved. * Copyright (c) 2016 Jiri Pirko * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef _UAPI_LINUX_DEVLINK_H_ #define _UAPI_LINUX_DEVLINK_H_ #define DEVLINK_GENL_NAME "devlink" #define DEVLINK_GENL_VERSION 0x1 #define DEVLINK_GENL_MCGRP_CONFIG_NAME "config" enum devlink_command { /* don't change the order or add anything between, this is ABI! */ DEVLINK_CMD_UNSPEC, DEVLINK_CMD_GET, /* can dump */ DEVLINK_CMD_SET, DEVLINK_CMD_NEW, DEVLINK_CMD_DEL, DEVLINK_CMD_PORT_GET, /* can dump */ DEVLINK_CMD_PORT_SET, DEVLINK_CMD_PORT_NEW, DEVLINK_CMD_PORT_DEL, DEVLINK_CMD_PORT_SPLIT, DEVLINK_CMD_PORT_UNSPLIT, DEVLINK_CMD_SB_GET, /* can dump */ DEVLINK_CMD_SB_SET, DEVLINK_CMD_SB_NEW, DEVLINK_CMD_SB_DEL, DEVLINK_CMD_SB_POOL_GET, /* can dump */ DEVLINK_CMD_SB_POOL_SET, DEVLINK_CMD_SB_POOL_NEW, DEVLINK_CMD_SB_POOL_DEL, DEVLINK_CMD_SB_PORT_POOL_GET, /* can dump */ DEVLINK_CMD_SB_PORT_POOL_SET, DEVLINK_CMD_SB_PORT_POOL_NEW, DEVLINK_CMD_SB_PORT_POOL_DEL, DEVLINK_CMD_SB_TC_POOL_BIND_GET, /* can dump */ DEVLINK_CMD_SB_TC_POOL_BIND_SET, DEVLINK_CMD_SB_TC_POOL_BIND_NEW, DEVLINK_CMD_SB_TC_POOL_BIND_DEL, /* Shared buffer occupancy monitoring commands */ DEVLINK_CMD_SB_OCC_SNAPSHOT, DEVLINK_CMD_SB_OCC_MAX_CLEAR, DEVLINK_CMD_ESWITCH_GET, #define DEVLINK_CMD_ESWITCH_MODE_GET /* obsolete, never use this! */ \ DEVLINK_CMD_ESWITCH_GET DEVLINK_CMD_ESWITCH_SET, #define DEVLINK_CMD_ESWITCH_MODE_SET /* obsolete, never use this! */ \ DEVLINK_CMD_ESWITCH_SET DEVLINK_CMD_DPIPE_TABLE_GET, DEVLINK_CMD_DPIPE_ENTRIES_GET, DEVLINK_CMD_DPIPE_HEADERS_GET, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, DEVLINK_CMD_RESOURCE_SET, DEVLINK_CMD_RESOURCE_DUMP, /* Hot driver reload, makes configuration changes take place. The * devlink instance is not released during the process. */ DEVLINK_CMD_RELOAD, DEVLINK_CMD_PARAM_GET, /* can dump */ DEVLINK_CMD_PARAM_SET, DEVLINK_CMD_PARAM_NEW, DEVLINK_CMD_PARAM_DEL, DEVLINK_CMD_REGION_GET, DEVLINK_CMD_REGION_SET, DEVLINK_CMD_REGION_NEW, DEVLINK_CMD_REGION_DEL, DEVLINK_CMD_REGION_READ, DEVLINK_CMD_PORT_PARAM_GET, /* can dump */ DEVLINK_CMD_PORT_PARAM_SET, DEVLINK_CMD_PORT_PARAM_NEW, DEVLINK_CMD_PORT_PARAM_DEL, DEVLINK_CMD_INFO_GET, /* can dump */ DEVLINK_CMD_HEALTH_REPORTER_GET, DEVLINK_CMD_HEALTH_REPORTER_SET, DEVLINK_CMD_HEALTH_REPORTER_RECOVER, DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR, DEVLINK_CMD_FLASH_UPDATE, DEVLINK_CMD_FLASH_UPDATE_END, /* notification only */ DEVLINK_CMD_FLASH_UPDATE_STATUS, /* notification only */ DEVLINK_CMD_TRAP_GET, /* can dump */ DEVLINK_CMD_TRAP_SET, DEVLINK_CMD_TRAP_NEW, DEVLINK_CMD_TRAP_DEL, DEVLINK_CMD_TRAP_GROUP_GET, /* can dump */ DEVLINK_CMD_TRAP_GROUP_SET, DEVLINK_CMD_TRAP_GROUP_NEW, DEVLINK_CMD_TRAP_GROUP_DEL, /* add new commands above here */ __DEVLINK_CMD_MAX, DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 }; enum devlink_port_type { DEVLINK_PORT_TYPE_NOTSET, DEVLINK_PORT_TYPE_AUTO, DEVLINK_PORT_TYPE_ETH, DEVLINK_PORT_TYPE_IB, }; enum devlink_sb_pool_type { DEVLINK_SB_POOL_TYPE_INGRESS, DEVLINK_SB_POOL_TYPE_EGRESS, }; /* static threshold - limiting the maximum number of bytes. * dynamic threshold - limiting the maximum number of bytes * based on the currently available free space in the shared buffer pool. * In this mode, the maximum quota is calculated based * on the following formula: * max_quota = alpha / (1 + alpha) * Free_Buffer * While Free_Buffer is the amount of none-occupied buffer associated to * the relevant pool. * The value range which can be passed is 0-20 and serves * for computation of alpha by following formula: * alpha = 2 ^ (passed_value - 10) */ enum devlink_sb_threshold_type { DEVLINK_SB_THRESHOLD_TYPE_STATIC, DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC, }; #define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20 enum devlink_eswitch_mode { DEVLINK_ESWITCH_MODE_LEGACY, DEVLINK_ESWITCH_MODE_SWITCHDEV, }; enum devlink_eswitch_inline_mode { DEVLINK_ESWITCH_INLINE_MODE_NONE, DEVLINK_ESWITCH_INLINE_MODE_LINK, DEVLINK_ESWITCH_INLINE_MODE_NETWORK, DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT, }; enum devlink_eswitch_encap_mode { DEVLINK_ESWITCH_ENCAP_MODE_NONE, DEVLINK_ESWITCH_ENCAP_MODE_BASIC, }; enum devlink_port_flavour { DEVLINK_PORT_FLAVOUR_PHYSICAL, /* Any kind of a port physically * facing the user. */ DEVLINK_PORT_FLAVOUR_CPU, /* CPU port */ DEVLINK_PORT_FLAVOUR_DSA, /* Distributed switch architecture * interconnect port. */ DEVLINK_PORT_FLAVOUR_PCI_PF, /* Represents eswitch port for * the PCI PF. It is an internal * port that faces the PCI PF. */ DEVLINK_PORT_FLAVOUR_PCI_VF, /* Represents eswitch port * for the PCI VF. It is an internal * port that faces the PCI VF. */ }; enum devlink_param_cmode { DEVLINK_PARAM_CMODE_RUNTIME, DEVLINK_PARAM_CMODE_DRIVERINIT, DEVLINK_PARAM_CMODE_PERMANENT, /* Add new configuration modes above */ __DEVLINK_PARAM_CMODE_MAX, DEVLINK_PARAM_CMODE_MAX = __DEVLINK_PARAM_CMODE_MAX - 1 }; enum devlink_param_fw_load_policy_value { DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER, DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH, DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK, DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_UNKNOWN, }; enum devlink_param_reset_dev_on_drv_probe_value { DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN, DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS, DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER, DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK, }; enum { DEVLINK_ATTR_STATS_RX_PACKETS, /* u64 */ DEVLINK_ATTR_STATS_RX_BYTES, /* u64 */ __DEVLINK_ATTR_STATS_MAX, DEVLINK_ATTR_STATS_MAX = __DEVLINK_ATTR_STATS_MAX - 1 }; /** * enum devlink_trap_action - Packet trap action. * @DEVLINK_TRAP_ACTION_DROP: Packet is dropped by the device and a copy is not * sent to the CPU. * @DEVLINK_TRAP_ACTION_TRAP: The sole copy of the packet is sent to the CPU. */ enum devlink_trap_action { DEVLINK_TRAP_ACTION_DROP, DEVLINK_TRAP_ACTION_TRAP, }; /** * enum devlink_trap_type - Packet trap type. * @DEVLINK_TRAP_TYPE_DROP: Trap reason is a drop. Trapped packets are only * processed by devlink and not injected to the * kernel's Rx path. * @DEVLINK_TRAP_TYPE_EXCEPTION: Trap reason is an exception. Packet was not * forwarded as intended due to an exception * (e.g., missing neighbour entry) and trapped to * control plane for resolution. Trapped packets * are processed by devlink and injected to * the kernel's Rx path. */ enum devlink_trap_type { DEVLINK_TRAP_TYPE_DROP, DEVLINK_TRAP_TYPE_EXCEPTION, }; enum { /* Trap can report input port as metadata */ DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT, }; enum devlink_attr { /* don't change the order or add anything between, this is ABI! */ DEVLINK_ATTR_UNSPEC, /* bus name + dev name together are a handle for devlink entity */ DEVLINK_ATTR_BUS_NAME, /* string */ DEVLINK_ATTR_DEV_NAME, /* string */ DEVLINK_ATTR_PORT_INDEX, /* u32 */ DEVLINK_ATTR_PORT_TYPE, /* u16 */ DEVLINK_ATTR_PORT_DESIRED_TYPE, /* u16 */ DEVLINK_ATTR_PORT_NETDEV_IFINDEX, /* u32 */ DEVLINK_ATTR_PORT_NETDEV_NAME, /* string */ DEVLINK_ATTR_PORT_IBDEV_NAME, /* string */ DEVLINK_ATTR_PORT_SPLIT_COUNT, /* u32 */ DEVLINK_ATTR_PORT_SPLIT_GROUP, /* u32 */ DEVLINK_ATTR_SB_INDEX, /* u32 */ DEVLINK_ATTR_SB_SIZE, /* u32 */ DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, /* u16 */ DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, /* u16 */ DEVLINK_ATTR_SB_INGRESS_TC_COUNT, /* u16 */ DEVLINK_ATTR_SB_EGRESS_TC_COUNT, /* u16 */ DEVLINK_ATTR_SB_POOL_INDEX, /* u16 */ DEVLINK_ATTR_SB_POOL_TYPE, /* u8 */ DEVLINK_ATTR_SB_POOL_SIZE, /* u32 */ DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, /* u8 */ DEVLINK_ATTR_SB_THRESHOLD, /* u32 */ DEVLINK_ATTR_SB_TC_INDEX, /* u16 */ DEVLINK_ATTR_SB_OCC_CUR, /* u32 */ DEVLINK_ATTR_SB_OCC_MAX, /* u32 */ DEVLINK_ATTR_ESWITCH_MODE, /* u16 */ DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */ DEVLINK_ATTR_DPIPE_TABLES, /* nested */ DEVLINK_ATTR_DPIPE_TABLE, /* nested */ DEVLINK_ATTR_DPIPE_TABLE_NAME, /* string */ DEVLINK_ATTR_DPIPE_TABLE_SIZE, /* u64 */ DEVLINK_ATTR_DPIPE_TABLE_MATCHES, /* nested */ DEVLINK_ATTR_DPIPE_TABLE_ACTIONS, /* nested */ DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, /* u8 */ DEVLINK_ATTR_DPIPE_ENTRIES, /* nested */ DEVLINK_ATTR_DPIPE_ENTRY, /* nested */ DEVLINK_ATTR_DPIPE_ENTRY_INDEX, /* u64 */ DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES, /* nested */ DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES, /* nested */ DEVLINK_ATTR_DPIPE_ENTRY_COUNTER, /* u64 */ DEVLINK_ATTR_DPIPE_MATCH, /* nested */ DEVLINK_ATTR_DPIPE_MATCH_VALUE, /* nested */ DEVLINK_ATTR_DPIPE_MATCH_TYPE, /* u32 */ DEVLINK_ATTR_DPIPE_ACTION, /* nested */ DEVLINK_ATTR_DPIPE_ACTION_VALUE, /* nested */ DEVLINK_ATTR_DPIPE_ACTION_TYPE, /* u32 */ DEVLINK_ATTR_DPIPE_VALUE, DEVLINK_ATTR_DPIPE_VALUE_MASK, DEVLINK_ATTR_DPIPE_VALUE_MAPPING, /* u32 */ DEVLINK_ATTR_DPIPE_HEADERS, /* nested */ DEVLINK_ATTR_DPIPE_HEADER, /* nested */ DEVLINK_ATTR_DPIPE_HEADER_NAME, /* string */ DEVLINK_ATTR_DPIPE_HEADER_ID, /* u32 */ DEVLINK_ATTR_DPIPE_HEADER_FIELDS, /* nested */ DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, /* u8 */ DEVLINK_ATTR_DPIPE_HEADER_INDEX, /* u32 */ DEVLINK_ATTR_DPIPE_FIELD, /* nested */ DEVLINK_ATTR_DPIPE_FIELD_NAME, /* string */ DEVLINK_ATTR_DPIPE_FIELD_ID, /* u32 */ DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH, /* u32 */ DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE, /* u32 */ DEVLINK_ATTR_PAD, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */ DEVLINK_ATTR_RESOURCE_LIST, /* nested */ DEVLINK_ATTR_RESOURCE, /* nested */ DEVLINK_ATTR_RESOURCE_NAME, /* string */ DEVLINK_ATTR_RESOURCE_ID, /* u64 */ DEVLINK_ATTR_RESOURCE_SIZE, /* u64 */ DEVLINK_ATTR_RESOURCE_SIZE_NEW, /* u64 */ DEVLINK_ATTR_RESOURCE_SIZE_VALID, /* u8 */ DEVLINK_ATTR_RESOURCE_SIZE_MIN, /* u64 */ DEVLINK_ATTR_RESOURCE_SIZE_MAX, /* u64 */ DEVLINK_ATTR_RESOURCE_SIZE_GRAN, /* u64 */ DEVLINK_ATTR_RESOURCE_UNIT, /* u8 */ DEVLINK_ATTR_RESOURCE_OCC, /* u64 */ DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID, /* u64 */ DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS,/* u64 */ DEVLINK_ATTR_PORT_FLAVOUR, /* u16 */ DEVLINK_ATTR_PORT_NUMBER, /* u32 */ DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER, /* u32 */ DEVLINK_ATTR_PARAM, /* nested */ DEVLINK_ATTR_PARAM_NAME, /* string */ DEVLINK_ATTR_PARAM_GENERIC, /* flag */ DEVLINK_ATTR_PARAM_TYPE, /* u8 */ DEVLINK_ATTR_PARAM_VALUES_LIST, /* nested */ DEVLINK_ATTR_PARAM_VALUE, /* nested */ DEVLINK_ATTR_PARAM_VALUE_DATA, /* dynamic */ DEVLINK_ATTR_PARAM_VALUE_CMODE, /* u8 */ DEVLINK_ATTR_REGION_NAME, /* string */ DEVLINK_ATTR_REGION_SIZE, /* u64 */ DEVLINK_ATTR_REGION_SNAPSHOTS, /* nested */ DEVLINK_ATTR_REGION_SNAPSHOT, /* nested */ DEVLINK_ATTR_REGION_SNAPSHOT_ID, /* u32 */ DEVLINK_ATTR_REGION_CHUNKS, /* nested */ DEVLINK_ATTR_REGION_CHUNK, /* nested */ DEVLINK_ATTR_REGION_CHUNK_DATA, /* binary */ DEVLINK_ATTR_REGION_CHUNK_ADDR, /* u64 */ DEVLINK_ATTR_REGION_CHUNK_LEN, /* u64 */ DEVLINK_ATTR_INFO_DRIVER_NAME, /* string */ DEVLINK_ATTR_INFO_SERIAL_NUMBER, /* string */ DEVLINK_ATTR_INFO_VERSION_FIXED, /* nested */ DEVLINK_ATTR_INFO_VERSION_RUNNING, /* nested */ DEVLINK_ATTR_INFO_VERSION_STORED, /* nested */ DEVLINK_ATTR_INFO_VERSION_NAME, /* string */ DEVLINK_ATTR_INFO_VERSION_VALUE, /* string */ DEVLINK_ATTR_SB_POOL_CELL_SIZE, /* u32 */ DEVLINK_ATTR_FMSG, /* nested */ DEVLINK_ATTR_FMSG_OBJ_NEST_START, /* flag */ DEVLINK_ATTR_FMSG_PAIR_NEST_START, /* flag */ DEVLINK_ATTR_FMSG_ARR_NEST_START, /* flag */ DEVLINK_ATTR_FMSG_NEST_END, /* flag */ DEVLINK_ATTR_FMSG_OBJ_NAME, /* string */ DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE, /* u8 */ DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA, /* dynamic */ DEVLINK_ATTR_HEALTH_REPORTER, /* nested */ DEVLINK_ATTR_HEALTH_REPORTER_NAME, /* string */ DEVLINK_ATTR_HEALTH_REPORTER_STATE, /* u8 */ DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT, /* u64 */ DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT, /* u64 */ DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS, /* u64 */ DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, /* u64 */ DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, /* u8 */ DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME, /* string */ DEVLINK_ATTR_FLASH_UPDATE_COMPONENT, /* string */ DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG, /* string */ DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE, /* u64 */ DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL, /* u64 */ DEVLINK_ATTR_PORT_PCI_PF_NUMBER, /* u16 */ DEVLINK_ATTR_PORT_PCI_VF_NUMBER, /* u16 */ DEVLINK_ATTR_STATS, /* nested */ DEVLINK_ATTR_TRAP_NAME, /* string */ /* enum devlink_trap_action */ DEVLINK_ATTR_TRAP_ACTION, /* u8 */ /* enum devlink_trap_type */ DEVLINK_ATTR_TRAP_TYPE, /* u8 */ DEVLINK_ATTR_TRAP_GENERIC, /* flag */ DEVLINK_ATTR_TRAP_METADATA, /* nested */ DEVLINK_ATTR_TRAP_GROUP_NAME, /* string */ DEVLINK_ATTR_RELOAD_FAILED, /* u8 0 or 1 */ DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS, /* u64 */ DEVLINK_ATTR_NETNS_FD, /* u32 */ DEVLINK_ATTR_NETNS_PID, /* u32 */ DEVLINK_ATTR_NETNS_ID, /* u32 */ /* add new attributes above here, update the policy in devlink.c */ __DEVLINK_ATTR_MAX, DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1 }; /* Mapping between internal resource described by the field and system * structure */ enum devlink_dpipe_field_mapping_type { DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE, DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX, }; /* Match type - specify the type of the match */ enum devlink_dpipe_match_type { DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT, }; /* Action type - specify the action type */ enum devlink_dpipe_action_type { DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY, }; enum devlink_dpipe_field_ethernet_id { DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, }; enum devlink_dpipe_field_ipv4_id { DEVLINK_DPIPE_FIELD_IPV4_DST_IP, }; enum devlink_dpipe_field_ipv6_id { DEVLINK_DPIPE_FIELD_IPV6_DST_IP, }; enum devlink_dpipe_header_id { DEVLINK_DPIPE_HEADER_ETHERNET, DEVLINK_DPIPE_HEADER_IPV4, DEVLINK_DPIPE_HEADER_IPV6, }; enum devlink_resource_unit { DEVLINK_RESOURCE_UNIT_ENTRY, }; #endif /* _UAPI_LINUX_DEVLINK_H_ */